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ZIP Code 92021, California

ZIP Code 92021 profile, demographic data, and geographic information.

ZCTA5 92021 is a 5-digit ZIP Code area located in San Diego County, California. As of official census estimates, it has a reported population of 70,501. The land area covers 28.04 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 70,501 ±2,881 2020-2024 / Census ACS 5-Year 2024
Median Age 36.3 yrs ±1.3 2020-2024 / Census ACS 5-Year 2024
Total Households 22,953 ±808 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 23,734 ±770
Occupied Housing Units 22,953 ±808
Vacant Housing Units 781 ±261
Median Home Value $611,900 ±$25,957
Median Gross Rent $1,893 ±$61
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $74,013 ±$6,137
Per Capita Income $35,192 ±$2,390
Poverty Rate 18.5% ±2.6%
Population Below Poverty Level 12,897 ±1,883
Unemployment Rate 8.1% ±1.4%
Civilian Labor Force, Employed 30,606 ±1,555
Broadband Internet Rate 93.2% ±1.8%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 3,298,799 (2024)
ID: 161111
County Official County Government
Contact: HUMAN RESOURCES
5530 OVERLAND AVE, STE 210, SAN DIEGO CA 92123-1204

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Alternative School Nearby 09-12 Poway, CA
Regular School Nearby KG-05 San Diego, CA
Regular School Nearby KG-08 San Diego, CA
Regular School Nearby KG-06 Bonita, CA
Alternative School Nearby 07-12 Chula Vista, CA
Regular School Nearby KG-12 San Diego, CA
Regular School Nearby 07-12 El Cajon, CA
Regular School Nearby 07-12 Chula Vista, CA
Regular School Nearby KG-12 San Diego, CA
Regular School Nearby KG-06 El Cajon, CA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Southern California Seminary
College 3.0 mi away 2075 E. Madison Avenue, El Cajon, CA, 92019-1108
6192018999
CREST LIBRARY
Library 2.0 mi away 105 JUANITA LANE, EL CAJON, CA, 92021
(619) 442-7083
Bellus Academy-El Cajon
College 5.0 mi away 1073 E Main St, El Cajon, CA, 92021
6194423407
LAKESIDE LIBRARY
Library 3.3 mi away 9839 VINE ST., LAKESIDE, CA, 92040
(619) 443-1811
San Diego Christian College
College 6.1 mi away 280 Riverview Parkway, Santee, CA, 92071
6192018700
ALPINE LIBRARY
Library 5.7 mi away 1752 ALPINE BOULEVARD, ALPINE, CA, 91901
(619) 445-4221
ATA College
College 6.4 mi away 1810 Gillespie Way, Suite 104, El Cajon, CA, 92020
6195962766
EL CAJON LIBRARY
Library 5.7 mi away 201 E. DOUGLAS AVE, EL CAJON, CA, 92020
(619) 588-3718
Cuyamaca College
College 7.3 mi away 900 Rancho San Diego Pky, El Cajon, CA, 92019
6196604000
RANCHO SAN DIEGO LIBRARY
Library 6.6 mi away 11555 VIA RANCHO SAN DIEGO, EL CAJON, CA, 92019
(619) 660-5370
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at EL CAJON, CA US, located 3.9 miles from ZCTA5 92021. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 69.3° 42.5° 55.9° 2.32" 0.0"
February 69.2° 44.4° 56.8° 2.61" 0.0"
March 71.3° 48.0° 59.7° 1.92" 0.0"
April 74.5° 50.7° 62.6° 0.75" 0.0"
May 76.2° 55.9° 66.1° 0.30" 0.0"
June 80.8° 59.4° 70.1° 0.06" 0.0"
July 86.1° 63.3° 74.7° 0.16" 0.0"
August 88.6° 64.7° 76.6° 0.02" 0.0"
September 87.3° 62.1° 74.7° 0.11" 0.0"
October 81.0° 55.6° 68.3° 0.54" 0.0"
November 75.2° 47.1° 61.2° 1.01" 0.0"
December 68.5° 41.7° 55.1° 1.83" 0.0"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Harbison Canyon CDP CDP 2.1 mi —
Crest CDP CDP 2.3 mi —
Lakeside CDP CDP 2.4 mi —
Granite Hills CDP CDP 2.8 mi —
Winter Gardens CDP CDP 3.1 mi —
Bostonia CDP CDP 4.1 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 92021. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.